Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582508 | Process for fine division of organic pigments | Erwin Dietz, Joachim Weber, Christian Wille, Leonhard Unverdorben | 2003-06-24 |
| 6548647 | Process for preparing azo colorants | Erwin Dietz, Joachim Weber, Christian Wille, Leonhard Unverdorben, Klaus Saitmacher +2 more | 2003-04-15 |
| 6537364 | Process for fine division of organic pigments by precipitation | Erwin Dietz, Joachim Weber, Christian Wille, Leonhard Unverdorben, Klaus Brychcy | 2003-03-25 |